His message suggests avoidance.
He’s trying to avoid conflict and return to normal asap, focusing attention on the children rather than taking responsibility for his actions.
It’s minimising what he has done to ‘this’.
It’s a lack of acknowledgement of any pain caused.
It’s redirection of attention.
It’s quite clever actually. If you think about it. To a weak person, it may scream that the affair lacked importance and let’s prioritise the children and go right back to normal. Let’s forget this little inconvenience.
To a strong woman though, it demonstrates a weak, scared man, who is trying to avoid accountability and hoping prolonged silence will eventually force her to make the first move, the first contact, giving him the upper hand.
He’s weak.
And his mistress is callous and her timing is cruel. She knew what this would do and she knew how vulnerable the op would be. She through a grenade into the op’s life and walked off. I’m not surprised the husband never really wanted her beyond a shag and would like the stability of his family back.